Answer:
An american football field is about 5.35 square kilometers.
Step-by-step explanation:
Remember that 1 foot is equivalent to 0.304 meters. First multiply 360 * 0.304 to get 109.73 meters. They multiply 160 * 0.304 to get 48.77. Multiply 109.73 and 48.77 to get 5351.53 square meters or about 5.35 square kilometers